Linear Equations with unknowns on Both Sides

Description

GCSE Maths (Year 8 Algebra 3) Quiz on Linear Equations with unknowns on Both Sides, created by Ellen Billingham on 07/05/2013.
Ellen Billingham
Quiz by Ellen Billingham, updated more than 1 year ago
Ellen Billingham
Created by Ellen Billingham almost 11 years ago
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Resource summary

Question 1

Question
What is the first thing you do to a linear equation with an x on both sides?
Answer
  • Get rid of the smaller x
  • Add them together

Question 2

Question
What is the essential rule for algebraic equations?
Answer
  • If you minus from one side, you add to the other
  • Always do the same to both sides of the equation

Question 3

Question
How would you work out 4y+2=2y+8
Answer
  • (-2y) 2y+2=8 (-2) 2y = 6 (divide by 2) y = 3
  • (-2) 4y = 2y+6 (-6) 4y - 6 = 2y (-4y) -6 = -2y (+6) 0 = -2y+6 (+2y) 2y = 6 (divide by 2) y = 3

Question 4

Question
What does n equal in this equation? 5n - 2 = n + 46
Answer
  • n = 12
  • n = 48

Question 5

Question
What does 3(y + 2) mean?
Answer
  • 3y + 2
  • 3y + 6
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